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Official data from INPI

FIOS E FIBRAS DE POLÍMEROS DE ACRILONITRILA E PROCESSO PARA SUA PRODUÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8104734

Type

Invention Patent

Filing

07/22/1981

Publication

04/13/1982

Progress at the INPI

  1. Filing07/22/81
  2. Publication04/13/82
  3. Examination01/24/84
  4. Allowance
  5. Grant
  6. In force

Published on 04/13/1982, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

F. W. (pessoa física)

H. B. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 27 944.5 · 07/23/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

101

05/17/1988

RPI 917

Recurso

#12.1

12/10/1985

RPI 790

Deferimento

#9.1

08/13/1985

RPI 773

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Conhecimento de parecer técnico

#7.1

10/23/1984

RPI 731

Pedido de certificado de adição de invenção

#5.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

04/13/1982

RPI 599

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